Arrow-head tree snail vs Black-headed Night Monkey

Partula sagitta compared with Aotus nigriceps

Key Differences

• Arrow-head tree snail is Extinct while Black-headed Night Monkey is Least Concern.

Taxonomic Classification

Rank	Arrow-head tree snail	Black-headed Night Monkey
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Stylommatophora (Stylommatophora)	Primates (Primates)
Family	Partulidae	Aotidae
Genus	Partula	Aotus
Species	Partula sagitta	Aotus nigriceps

Evolutionary Relationship

Arrow-head tree snail and Black-headed Night Monkey share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Arrow-head tree snail

EX — Extinct

Black-headed Night Monkey

LC — Least Concern

Physical Characteristics

Attribute	Arrow-head tree snail	Black-headed Night Monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arrow-head tree snail

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Black-headed Night Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Arrow-head tree snail

The Arrow-head tree snail, Partula sagitta, is a species. It is currently assessed as extinct on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.

Black-headed Night Monkey

The Black-headed Night Monkey (Aotus nigriceps) is a species in the genus Aotus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.